Plow Share definition Flag Plow is a heterosexual sex act that involves a man inserting his penis into a woman’s vagina. Yeah Jacqueline just got plowed, I think she’s still recovering after such a event. Plow by HeterosexualJacqueline November 28, 2019 0 0 Get merch Get the Plow mug. Buy Now — $32.95 See more merch